std::counting_semaphore<LeastMaxValue>::max

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constexpr std::ptrdiff_t max() noexcept;
(since C++20)

Returns the internal counter's maximum possible value, which is greater than or equal to LeastMaxValue. For specialization binary_semaphore, LeastMaxValue is equal to 1.

Return value

The internal counter's maximum possible value, as a std::ptrdiff_t.